/*
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* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
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* Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
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* Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <linux/etherdevice.h>
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#include <linux/mlx4/cmd.h>
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#include <linux/module.h>
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#include <linux/cache.h>
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#include <linux/kernel.h>
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#include <uapi/rdma/mlx4-abi.h>
|
|
#include "fw.h"
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#include "icm.h"
|
|
enum {
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MLX4_COMMAND_INTERFACE_MIN_REV = 2,
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MLX4_COMMAND_INTERFACE_MAX_REV = 3,
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MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3,
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};
|
|
extern void __buggy_use_of_MLX4_GET(void);
|
extern void __buggy_use_of_MLX4_PUT(void);
|
|
static bool enable_qos;
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module_param(enable_qos, bool, 0444);
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MODULE_PARM_DESC(enable_qos, "Enable Enhanced QoS support (default: off)");
|
|
#define MLX4_GET(dest, source, offset) \
|
do { \
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void *__p = (char *) (source) + (offset); \
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__be64 val; \
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switch (sizeof(dest)) { \
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case 1: (dest) = *(u8 *) __p; break; \
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case 2: (dest) = be16_to_cpup(__p); break; \
|
case 4: (dest) = be32_to_cpup(__p); break; \
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case 8: val = get_unaligned((__be64 *)__p); \
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(dest) = be64_to_cpu(val); break; \
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default: __buggy_use_of_MLX4_GET(); \
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} \
|
} while (0)
|
|
#define MLX4_PUT(dest, source, offset) \
|
do { \
|
void *__d = ((char *) (dest) + (offset)); \
|
switch (sizeof(source)) { \
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case 1: *(u8 *) __d = (source); break; \
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case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
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case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
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case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
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default: __buggy_use_of_MLX4_PUT(); \
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} \
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} while (0)
|
|
static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags)
|
{
|
static const char *fname[] = {
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[ 0] = "RC transport",
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[ 1] = "UC transport",
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[ 2] = "UD transport",
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[ 3] = "XRC transport",
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[ 6] = "SRQ support",
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[ 7] = "IPoIB checksum offload",
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[ 8] = "P_Key violation counter",
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[ 9] = "Q_Key violation counter",
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[12] = "Dual Port Different Protocol (DPDP) support",
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[15] = "Big LSO headers",
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[16] = "MW support",
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[17] = "APM support",
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[18] = "Atomic ops support",
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[19] = "Raw multicast support",
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[20] = "Address vector port checking support",
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[21] = "UD multicast support",
|
[30] = "IBoE support",
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[32] = "Unicast loopback support",
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[34] = "FCS header control",
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[37] = "Wake On LAN (port1) support",
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[38] = "Wake On LAN (port2) support",
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[40] = "UDP RSS support",
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[41] = "Unicast VEP steering support",
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[42] = "Multicast VEP steering support",
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[48] = "Counters support",
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[52] = "RSS IP fragments support",
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[53] = "Port ETS Scheduler support",
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[55] = "Port link type sensing support",
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[59] = "Port management change event support",
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[61] = "64 byte EQE support",
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[62] = "64 byte CQE support",
|
};
|
int i;
|
|
mlx4_dbg(dev, "DEV_CAP flags:\n");
|
for (i = 0; i < ARRAY_SIZE(fname); ++i)
|
if (fname[i] && (flags & (1LL << i)))
|
mlx4_dbg(dev, " %s\n", fname[i]);
|
}
|
|
static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
|
{
|
static const char * const fname[] = {
|
[0] = "RSS support",
|
[1] = "RSS Toeplitz Hash Function support",
|
[2] = "RSS XOR Hash Function support",
|
[3] = "Device managed flow steering support",
|
[4] = "Automatic MAC reassignment support",
|
[5] = "Time stamping support",
|
[6] = "VST (control vlan insertion/stripping) support",
|
[7] = "FSM (MAC anti-spoofing) support",
|
[8] = "Dynamic QP updates support",
|
[9] = "Device managed flow steering IPoIB support",
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[10] = "TCP/IP offloads/flow-steering for VXLAN support",
|
[11] = "MAD DEMUX (Secure-Host) support",
|
[12] = "Large cache line (>64B) CQE stride support",
|
[13] = "Large cache line (>64B) EQE stride support",
|
[14] = "Ethernet protocol control support",
|
[15] = "Ethernet Backplane autoneg support",
|
[16] = "CONFIG DEV support",
|
[17] = "Asymmetric EQs support",
|
[18] = "More than 80 VFs support",
|
[19] = "Performance optimized for limited rule configuration flow steering support",
|
[20] = "Recoverable error events support",
|
[21] = "Port Remap support",
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[22] = "QCN support",
|
[23] = "QP rate limiting support",
|
[24] = "Ethernet Flow control statistics support",
|
[25] = "Granular QoS per VF support",
|
[26] = "Port ETS Scheduler support",
|
[27] = "Port beacon support",
|
[28] = "RX-ALL support",
|
[29] = "802.1ad offload support",
|
[31] = "Modifying loopback source checks using UPDATE_QP support",
|
[32] = "Loopback source checks support",
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[33] = "RoCEv2 support",
|
[34] = "DMFS Sniffer support (UC & MC)",
|
[35] = "Diag counters per port",
|
[36] = "QinQ VST mode support",
|
[37] = "sl to vl mapping table change event support",
|
[38] = "user MAC support",
|
[39] = "Report driver version to FW support",
|
[40] = "SW CQ initialization support",
|
};
|
int i;
|
|
for (i = 0; i < ARRAY_SIZE(fname); ++i)
|
if (fname[i] && (flags & (1LL << i)))
|
mlx4_dbg(dev, " %s\n", fname[i]);
|
}
|
|
int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
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u32 *inbox;
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int err = 0;
|
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#define MOD_STAT_CFG_IN_SIZE 0x100
|
|
#define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002
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#define MOD_STAT_CFG_PG_SZ_OFFSET 0x003
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
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if (IS_ERR(mailbox))
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return PTR_ERR(mailbox);
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inbox = mailbox->buf;
|
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MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET);
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MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET);
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err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG,
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MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
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mlx4_free_cmd_mailbox(dev, mailbox);
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return err;
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}
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int mlx4_QUERY_FUNC(struct mlx4_dev *dev, struct mlx4_func *func, int slave)
|
{
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struct mlx4_cmd_mailbox *mailbox;
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u32 *outbox;
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u8 in_modifier;
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u8 field;
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u16 field16;
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int err;
|
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#define QUERY_FUNC_BUS_OFFSET 0x00
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#define QUERY_FUNC_DEVICE_OFFSET 0x01
|
#define QUERY_FUNC_FUNCTION_OFFSET 0x01
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#define QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET 0x03
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#define QUERY_FUNC_RSVD_EQS_OFFSET 0x04
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#define QUERY_FUNC_MAX_EQ_OFFSET 0x06
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#define QUERY_FUNC_RSVD_UARS_OFFSET 0x0b
|
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mailbox = mlx4_alloc_cmd_mailbox(dev);
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if (IS_ERR(mailbox))
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return PTR_ERR(mailbox);
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outbox = mailbox->buf;
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in_modifier = slave;
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err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, 0,
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MLX4_CMD_QUERY_FUNC,
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MLX4_CMD_TIME_CLASS_A,
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MLX4_CMD_NATIVE);
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if (err)
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goto out;
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MLX4_GET(field, outbox, QUERY_FUNC_BUS_OFFSET);
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func->bus = field & 0xf;
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MLX4_GET(field, outbox, QUERY_FUNC_DEVICE_OFFSET);
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func->device = field & 0xf1;
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MLX4_GET(field, outbox, QUERY_FUNC_FUNCTION_OFFSET);
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func->function = field & 0x7;
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MLX4_GET(field, outbox, QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET);
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func->physical_function = field & 0xf;
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MLX4_GET(field16, outbox, QUERY_FUNC_RSVD_EQS_OFFSET);
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func->rsvd_eqs = field16 & 0xffff;
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MLX4_GET(field16, outbox, QUERY_FUNC_MAX_EQ_OFFSET);
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func->max_eq = field16 & 0xffff;
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MLX4_GET(field, outbox, QUERY_FUNC_RSVD_UARS_OFFSET);
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func->rsvd_uars = field & 0x0f;
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mlx4_dbg(dev, "Bus: %d, Device: %d, Function: %d, Physical function: %d, Max EQs: %d, Reserved EQs: %d, Reserved UARs: %d\n",
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func->bus, func->device, func->function, func->physical_function,
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func->max_eq, func->rsvd_eqs, func->rsvd_uars);
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out:
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mlx4_free_cmd_mailbox(dev, mailbox);
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return err;
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}
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static int mlx4_activate_vst_qinq(struct mlx4_priv *priv, int slave, int port)
|
{
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struct mlx4_vport_oper_state *vp_oper;
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struct mlx4_vport_state *vp_admin;
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int err;
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vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
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vp_admin = &priv->mfunc.master.vf_admin[slave].vport[port];
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if (vp_admin->default_vlan != vp_oper->state.default_vlan) {
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err = __mlx4_register_vlan(&priv->dev, port,
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vp_admin->default_vlan,
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&vp_oper->vlan_idx);
|
if (err) {
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vp_oper->vlan_idx = NO_INDX;
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mlx4_warn(&priv->dev,
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"No vlan resources slave %d, port %d\n",
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slave, port);
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return err;
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}
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mlx4_dbg(&priv->dev, "alloc vlan %d idx %d slave %d port %d\n",
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(int)(vp_oper->state.default_vlan),
|
vp_oper->vlan_idx, slave, port);
|
}
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vp_oper->state.vlan_proto = vp_admin->vlan_proto;
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vp_oper->state.default_vlan = vp_admin->default_vlan;
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vp_oper->state.default_qos = vp_admin->default_qos;
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return 0;
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}
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static int mlx4_handle_vst_qinq(struct mlx4_priv *priv, int slave, int port)
|
{
|
struct mlx4_vport_oper_state *vp_oper;
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struct mlx4_slave_state *slave_state;
|
struct mlx4_vport_state *vp_admin;
|
int err;
|
|
vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
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vp_admin = &priv->mfunc.master.vf_admin[slave].vport[port];
|
slave_state = &priv->mfunc.master.slave_state[slave];
|
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if ((vp_admin->vlan_proto != htons(ETH_P_8021AD)) ||
|
(!slave_state->active))
|
return 0;
|
|
if (vp_oper->state.vlan_proto == vp_admin->vlan_proto &&
|
vp_oper->state.default_vlan == vp_admin->default_vlan &&
|
vp_oper->state.default_qos == vp_admin->default_qos)
|
return 0;
|
|
if (!slave_state->vst_qinq_supported) {
|
/* Warn and revert the request to set vst QinQ mode */
|
vp_admin->vlan_proto = vp_oper->state.vlan_proto;
|
vp_admin->default_vlan = vp_oper->state.default_vlan;
|
vp_admin->default_qos = vp_oper->state.default_qos;
|
|
mlx4_warn(&priv->dev,
|
"Slave %d does not support VST QinQ mode\n", slave);
|
return 0;
|
}
|
|
err = mlx4_activate_vst_qinq(priv, slave, port);
|
return err;
|
}
|
|
int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
u8 field, port;
|
u32 size, proxy_qp, qkey;
|
int err = 0;
|
struct mlx4_func func;
|
|
#define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0
|
#define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1
|
#define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4
|
#define QUERY_FUNC_CAP_FMR_OFFSET 0x8
|
#define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10
|
#define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14
|
#define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18
|
#define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20
|
#define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24
|
#define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28
|
#define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c
|
#define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30
|
#define QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET 0x48
|
|
#define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50
|
#define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54
|
#define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58
|
#define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60
|
#define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64
|
#define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68
|
|
#define QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET 0x6c
|
|
#define QUERY_FUNC_CAP_FMR_FLAG 0x80
|
#define QUERY_FUNC_CAP_FLAG_RDMA 0x40
|
#define QUERY_FUNC_CAP_FLAG_ETH 0x80
|
#define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10
|
#define QUERY_FUNC_CAP_FLAG_RESD_LKEY 0x08
|
#define QUERY_FUNC_CAP_FLAG_VALID_MAILBOX 0x04
|
|
#define QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG (1UL << 31)
|
#define QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG (1UL << 30)
|
|
/* when opcode modifier = 1 */
|
#define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3
|
#define QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET 0x4
|
#define QUERY_FUNC_CAP_FLAGS0_OFFSET 0x8
|
#define QUERY_FUNC_CAP_FLAGS1_OFFSET 0xc
|
|
#define QUERY_FUNC_CAP_QP0_TUNNEL 0x10
|
#define QUERY_FUNC_CAP_QP0_PROXY 0x14
|
#define QUERY_FUNC_CAP_QP1_TUNNEL 0x18
|
#define QUERY_FUNC_CAP_QP1_PROXY 0x1c
|
#define QUERY_FUNC_CAP_PHYS_PORT_ID 0x28
|
|
#define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC 0x40
|
#define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN 0x80
|
#define QUERY_FUNC_CAP_FLAGS1_NIC_INFO 0x10
|
#define QUERY_FUNC_CAP_VF_ENABLE_QP0 0x08
|
|
#define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80
|
#define QUERY_FUNC_CAP_PHV_BIT 0x40
|
#define QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE 0x20
|
|
#define QUERY_FUNC_CAP_SUPPORTS_VST_QINQ BIT(30)
|
#define QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS BIT(31)
|
|
if (vhcr->op_modifier == 1) {
|
struct mlx4_active_ports actv_ports =
|
mlx4_get_active_ports(dev, slave);
|
int converted_port = mlx4_slave_convert_port(
|
dev, slave, vhcr->in_modifier);
|
struct mlx4_vport_oper_state *vp_oper;
|
|
if (converted_port < 0)
|
return -EINVAL;
|
|
vhcr->in_modifier = converted_port;
|
/* phys-port = logical-port */
|
field = vhcr->in_modifier -
|
find_first_bit(actv_ports.ports, dev->caps.num_ports);
|
MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
|
|
port = vhcr->in_modifier;
|
proxy_qp = dev->phys_caps.base_proxy_sqpn + 8 * slave + port - 1;
|
|
/* Set nic_info bit to mark new fields support */
|
field = QUERY_FUNC_CAP_FLAGS1_NIC_INFO;
|
|
if (mlx4_vf_smi_enabled(dev, slave, port) &&
|
!mlx4_get_parav_qkey(dev, proxy_qp, &qkey)) {
|
field |= QUERY_FUNC_CAP_VF_ENABLE_QP0;
|
MLX4_PUT(outbox->buf, qkey,
|
QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
|
}
|
MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET);
|
|
/* size is now the QP number */
|
size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + port - 1;
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL);
|
|
size += 2;
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL);
|
|
MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP0_PROXY);
|
proxy_qp += 2;
|
MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP1_PROXY);
|
|
MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier],
|
QUERY_FUNC_CAP_PHYS_PORT_ID);
|
|
vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
|
err = mlx4_handle_vst_qinq(priv, slave, port);
|
if (err)
|
return err;
|
|
field = 0;
|
if (dev->caps.phv_bit[port])
|
field |= QUERY_FUNC_CAP_PHV_BIT;
|
if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD))
|
field |= QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE;
|
MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS0_OFFSET);
|
|
} else if (vhcr->op_modifier == 0) {
|
struct mlx4_active_ports actv_ports =
|
mlx4_get_active_ports(dev, slave);
|
struct mlx4_slave_state *slave_state =
|
&priv->mfunc.master.slave_state[slave];
|
|
/* enable rdma and ethernet interfaces, new quota locations,
|
* and reserved lkey
|
*/
|
field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA |
|
QUERY_FUNC_CAP_FLAG_QUOTAS | QUERY_FUNC_CAP_FLAG_VALID_MAILBOX |
|
QUERY_FUNC_CAP_FLAG_RESD_LKEY);
|
MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET);
|
|
field = min(
|
bitmap_weight(actv_ports.ports, dev->caps.num_ports),
|
dev->caps.num_ports);
|
MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
|
|
size = dev->caps.function_caps; /* set PF behaviours */
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
|
|
field = 0; /* protected FMR support not available as yet */
|
MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET);
|
|
size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave];
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
|
size = dev->caps.num_qps;
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
|
|
size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave];
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
|
size = dev->caps.num_srqs;
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
|
|
size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave];
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
|
size = dev->caps.num_cqs;
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
|
|
if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) ||
|
mlx4_QUERY_FUNC(dev, &func, slave)) {
|
size = vhcr->in_modifier &
|
QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ?
|
dev->caps.num_eqs :
|
rounddown_pow_of_two(dev->caps.num_eqs);
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
|
size = dev->caps.reserved_eqs;
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
|
} else {
|
size = vhcr->in_modifier &
|
QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ?
|
func.max_eq :
|
rounddown_pow_of_two(func.max_eq);
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
|
size = func.rsvd_eqs;
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
|
}
|
|
size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave];
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
|
size = dev->caps.num_mpts;
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
|
|
size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave];
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
|
size = dev->caps.num_mtts;
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
|
|
size = dev->caps.num_mgms + dev->caps.num_amgms;
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
|
|
size = QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG |
|
QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG;
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET);
|
|
size = dev->caps.reserved_lkey + ((slave << 8) & 0xFF00);
|
MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET);
|
|
if (vhcr->in_modifier & QUERY_FUNC_CAP_SUPPORTS_VST_QINQ)
|
slave_state->vst_qinq_supported = true;
|
|
} else
|
err = -EINVAL;
|
|
return err;
|
}
|
|
int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port,
|
struct mlx4_func_cap *func_cap)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
u32 *outbox;
|
u8 field, op_modifier;
|
u32 size, qkey;
|
int err = 0, quotas = 0;
|
u32 in_modifier;
|
u32 slave_caps;
|
|
op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */
|
slave_caps = QUERY_FUNC_CAP_SUPPORTS_VST_QINQ |
|
QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS;
|
in_modifier = op_modifier ? gen_or_port : slave_caps;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, op_modifier,
|
MLX4_CMD_QUERY_FUNC_CAP,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
|
if (err)
|
goto out;
|
|
outbox = mailbox->buf;
|
|
if (!op_modifier) {
|
MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET);
|
if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) {
|
mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n");
|
err = -EPROTONOSUPPORT;
|
goto out;
|
}
|
func_cap->flags = field;
|
quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS);
|
|
MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET);
|
func_cap->num_ports = field;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET);
|
func_cap->pf_context_behaviour = size;
|
|
if (quotas) {
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET);
|
func_cap->qp_quota = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET);
|
func_cap->srq_quota = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET);
|
func_cap->cq_quota = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET);
|
func_cap->mpt_quota = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET);
|
func_cap->mtt_quota = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET);
|
func_cap->mcg_quota = size & 0xFFFFFF;
|
|
} else {
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP);
|
func_cap->qp_quota = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP);
|
func_cap->srq_quota = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP);
|
func_cap->cq_quota = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP);
|
func_cap->mpt_quota = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP);
|
func_cap->mtt_quota = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP);
|
func_cap->mcg_quota = size & 0xFFFFFF;
|
}
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET);
|
func_cap->max_eq = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET);
|
func_cap->reserved_eq = size & 0xFFFFFF;
|
|
if (func_cap->flags & QUERY_FUNC_CAP_FLAG_RESD_LKEY) {
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET);
|
func_cap->reserved_lkey = size;
|
} else {
|
func_cap->reserved_lkey = 0;
|
}
|
|
func_cap->extra_flags = 0;
|
|
/* Mailbox data from 0x6c and onward should only be treated if
|
* QUERY_FUNC_CAP_FLAG_VALID_MAILBOX is set in func_cap->flags
|
*/
|
if (func_cap->flags & QUERY_FUNC_CAP_FLAG_VALID_MAILBOX) {
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET);
|
if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG)
|
func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_BF_RES_QP;
|
if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG)
|
func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_A0_RES_QP;
|
}
|
|
goto out;
|
}
|
|
/* logical port query */
|
if (gen_or_port > dev->caps.num_ports) {
|
err = -EINVAL;
|
goto out;
|
}
|
|
MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET);
|
if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) {
|
if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) {
|
mlx4_err(dev, "VLAN is enforced on this port\n");
|
err = -EPROTONOSUPPORT;
|
goto out;
|
}
|
|
if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) {
|
mlx4_err(dev, "Force mac is enabled on this port\n");
|
err = -EPROTONOSUPPORT;
|
goto out;
|
}
|
} else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) {
|
MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET);
|
if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) {
|
mlx4_err(dev, "phy_wqe_gid is enforced on this ib port\n");
|
err = -EPROTONOSUPPORT;
|
goto out;
|
}
|
}
|
|
MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET);
|
func_cap->physical_port = field;
|
if (func_cap->physical_port != gen_or_port) {
|
err = -EINVAL;
|
goto out;
|
}
|
|
if (func_cap->flags1 & QUERY_FUNC_CAP_VF_ENABLE_QP0) {
|
MLX4_GET(qkey, outbox, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET);
|
func_cap->spec_qps.qp0_qkey = qkey;
|
} else {
|
func_cap->spec_qps.qp0_qkey = 0;
|
}
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL);
|
func_cap->spec_qps.qp0_tunnel = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY);
|
func_cap->spec_qps.qp0_proxy = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL);
|
func_cap->spec_qps.qp1_tunnel = size & 0xFFFFFF;
|
|
MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY);
|
func_cap->spec_qps.qp1_proxy = size & 0xFFFFFF;
|
|
if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO)
|
MLX4_GET(func_cap->phys_port_id, outbox,
|
QUERY_FUNC_CAP_PHYS_PORT_ID);
|
|
MLX4_GET(func_cap->flags0, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET);
|
|
/* All other resources are allocated by the master, but we still report
|
* 'num' and 'reserved' capabilities as follows:
|
* - num remains the maximum resource index
|
* - 'num - reserved' is the total available objects of a resource, but
|
* resource indices may be less than 'reserved'
|
* TODO: set per-resource quotas */
|
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
|
return err;
|
}
|
|
static void disable_unsupported_roce_caps(void *buf);
|
|
int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
u32 *outbox;
|
u8 field;
|
u32 field32, flags, ext_flags;
|
u16 size;
|
u16 stat_rate;
|
int err;
|
int i;
|
|
#define QUERY_DEV_CAP_OUT_SIZE 0x100
|
#define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
|
#define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11
|
#define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12
|
#define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13
|
#define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14
|
#define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15
|
#define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16
|
#define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17
|
#define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19
|
#define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a
|
#define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b
|
#define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d
|
#define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e
|
#define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f
|
#define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20
|
#define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21
|
#define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22
|
#define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23
|
#define QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET 0x26
|
#define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
|
#define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
|
#define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
|
#define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
|
#define QUERY_DEV_CAP_RSS_OFFSET 0x2e
|
#define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
|
#define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
|
#define QUERY_DEV_CAP_PORT_BEACON_OFFSET 0x34
|
#define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
|
#define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
|
#define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
|
#define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
|
#define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
|
#define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
|
#define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
|
#define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
|
#define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
|
#define QUERY_DEV_CAP_WOL_OFFSET 0x43
|
#define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
|
#define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
|
#define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
|
#define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b
|
#define QUERY_DEV_CAP_BF_OFFSET 0x4c
|
#define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d
|
#define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e
|
#define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f
|
#define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51
|
#define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52
|
#define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55
|
#define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56
|
#define QUERY_DEV_CAP_USER_MAC_EN_OFFSET 0x5C
|
#define QUERY_DEV_CAP_SVLAN_BY_QP_OFFSET 0x5D
|
#define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61
|
#define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62
|
#define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63
|
#define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64
|
#define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65
|
#define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66
|
#define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67
|
#define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68
|
#define QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET 0x70
|
#define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70
|
#define QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET 0x74
|
#define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76
|
#define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77
|
#define QUERY_DEV_CAP_SL2VL_EVENT_OFFSET 0x78
|
#define QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE 0x7a
|
#define QUERY_DEV_CAP_ECN_QCN_VER_OFFSET 0x7b
|
#define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80
|
#define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82
|
#define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84
|
#define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86
|
#define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88
|
#define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a
|
#define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c
|
#define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e
|
#define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90
|
#define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92
|
#define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
|
#define QUERY_DEV_CAP_CONFIG_DEV_OFFSET 0x94
|
#define QUERY_DEV_CAP_PHV_EN_OFFSET 0x96
|
#define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
|
#define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
|
#define QUERY_DEV_CAP_ETH_BACKPL_OFFSET 0x9c
|
#define QUERY_DEV_CAP_DIAG_RPRT_PER_PORT 0x9c
|
#define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
|
#define QUERY_DEV_CAP_VXLAN 0x9e
|
#define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0
|
#define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET 0xa8
|
#define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET 0xac
|
#define QUERY_DEV_CAP_MAP_CLOCK_TO_USER 0xc1
|
#define QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET 0xcc
|
#define QUERY_DEV_CAP_QP_RATE_LIMIT_MAX_OFFSET 0xd0
|
#define QUERY_DEV_CAP_QP_RATE_LIMIT_MIN_OFFSET 0xd2
|
#define QUERY_DEV_CAP_HEALTH_BUFFER_ADDRESS_OFFSET 0xe4
|
|
dev_cap->flags2 = 0;
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
outbox = mailbox->buf;
|
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
if (err)
|
goto out;
|
|
if (mlx4_is_mfunc(dev))
|
disable_unsupported_roce_caps(outbox);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAP_CLOCK_TO_USER);
|
dev_cap->map_clock_to_user = field & 0x80;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET);
|
dev_cap->reserved_qps = 1 << (field & 0xf);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET);
|
dev_cap->max_qps = 1 << (field & 0x1f);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET);
|
dev_cap->reserved_srqs = 1 << (field >> 4);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET);
|
dev_cap->max_srqs = 1 << (field & 0x1f);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET);
|
dev_cap->max_cq_sz = 1 << field;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET);
|
dev_cap->reserved_cqs = 1 << (field & 0xf);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET);
|
dev_cap->max_cqs = 1 << (field & 0x1f);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET);
|
dev_cap->max_mpts = 1 << (field & 0x3f);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET);
|
dev_cap->reserved_eqs = 1 << (field & 0xf);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET);
|
dev_cap->max_eqs = 1 << (field & 0xf);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET);
|
dev_cap->reserved_mtts = 1 << (field >> 4);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET);
|
dev_cap->reserved_mrws = 1 << (field & 0xf);
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET);
|
dev_cap->num_sys_eqs = size & 0xfff;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET);
|
dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
|
dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
|
field &= 0x1f;
|
if (!field)
|
dev_cap->max_gso_sz = 0;
|
else
|
dev_cap->max_gso_sz = 1 << field;
|
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET);
|
if (field & 0x20)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR;
|
if (field & 0x10)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP;
|
field &= 0xf;
|
if (field) {
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS;
|
dev_cap->max_rss_tbl_sz = 1 << field;
|
} else
|
dev_cap->max_rss_tbl_sz = 0;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
|
dev_cap->max_rdma_global = 1 << (field & 0x3f);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
|
dev_cap->local_ca_ack_delay = field & 0x1f;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
|
dev_cap->num_ports = field & 0xf;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
|
dev_cap->max_msg_sz = 1 << (field & 0x1f);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET);
|
if (field & 0x10)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
|
if (field & 0x80)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;
|
dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f;
|
if (field & 0x20)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_BEACON_OFFSET);
|
if (field & 0x80)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_BEACON;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
|
if (field & 0x80)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_IPOIB;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET);
|
dev_cap->fs_max_num_qp_per_entry = field;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_SL2VL_EVENT_OFFSET);
|
if (field & (1 << 5))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SL_TO_VL_CHANGE_EVENT;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET);
|
if (field & 0x1)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QCN;
|
MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
|
dev_cap->stat_rate_support = stat_rate;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
|
if (field & 0x80)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS;
|
MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
|
MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
|
dev_cap->flags = flags | (u64)ext_flags << 32;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_WOL_OFFSET);
|
dev_cap->wol_port[1] = !!(field & 0x20);
|
dev_cap->wol_port[2] = !!(field & 0x40);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
|
dev_cap->reserved_uars = field >> 4;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
|
dev_cap->uar_size = 1 << ((field & 0x3f) + 20);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET);
|
dev_cap->min_page_sz = 1 << field;
|
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET);
|
if (field & 0x80) {
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET);
|
dev_cap->bf_reg_size = 1 << (field & 0x1f);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET);
|
if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size))
|
field = 3;
|
dev_cap->bf_regs_per_page = 1 << (field & 0x3f);
|
} else {
|
dev_cap->bf_reg_size = 0;
|
}
|
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET);
|
dev_cap->max_sq_sg = field;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET);
|
dev_cap->max_sq_desc_sz = size;
|
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_USER_MAC_EN_OFFSET);
|
if (field & (1 << 2))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_USER_MAC_EN;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_SVLAN_BY_QP_OFFSET);
|
if (field & 0x1)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SVLAN_BY_QP;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET);
|
dev_cap->max_qp_per_mcg = 1 << field;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET);
|
dev_cap->reserved_mgms = field & 0xf;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET);
|
dev_cap->max_mcgs = 1 << field;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET);
|
dev_cap->reserved_pds = field >> 4;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET);
|
dev_cap->max_pds = 1 << (field & 0x3f);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET);
|
dev_cap->reserved_xrcds = field >> 4;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET);
|
dev_cap->max_xrcds = 1 << (field & 0x1f);
|
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET);
|
dev_cap->rdmarc_entry_sz = size;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET);
|
dev_cap->qpc_entry_sz = size;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET);
|
dev_cap->aux_entry_sz = size;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET);
|
dev_cap->altc_entry_sz = size;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET);
|
dev_cap->eqc_entry_sz = size;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET);
|
dev_cap->cqc_entry_sz = size;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET);
|
dev_cap->srq_entry_sz = size;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET);
|
dev_cap->cmpt_entry_sz = size;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET);
|
dev_cap->mtt_entry_sz = size;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET);
|
dev_cap->dmpt_entry_sz = size;
|
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET);
|
dev_cap->max_srq_sz = 1 << field;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET);
|
dev_cap->max_qp_sz = 1 << field;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET);
|
dev_cap->resize_srq = field & 1;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET);
|
dev_cap->max_rq_sg = field;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET);
|
dev_cap->max_rq_desc_sz = size;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
|
if (field & (1 << 4))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QOS_VPP;
|
if (field & (1 << 5))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL;
|
if (field & (1 << 6))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CQE_STRIDE;
|
if (field & (1 << 7))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_EQE_STRIDE;
|
MLX4_GET(dev_cap->bmme_flags, outbox,
|
QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
|
if (dev_cap->bmme_flags & MLX4_FLAG_ROCE_V1_V2)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ROCE_V1_V2;
|
if (dev_cap->bmme_flags & MLX4_FLAG_PORT_REMAP)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_REMAP;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
|
if (field & 0x20)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV;
|
if (field & (1 << 2))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_IGNORE_FCS;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_PHV_EN_OFFSET);
|
if (field & 0x80)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PHV_EN;
|
if (field & 0x40)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN;
|
|
MLX4_GET(dev_cap->reserved_lkey, outbox,
|
QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
|
MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET);
|
if (field32 & (1 << 0))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP;
|
if (field32 & (1 << 7))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT;
|
if (field32 & (1 << 8))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DRIVER_VERSION_TO_FW;
|
MLX4_GET(field32, outbox, QUERY_DEV_CAP_DIAG_RPRT_PER_PORT);
|
if (field32 & (1 << 17))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
|
if (field & 1<<6)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN);
|
if (field & 1<<3)
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS;
|
if (field & (1 << 5))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG;
|
MLX4_GET(dev_cap->max_icm_sz, outbox,
|
QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
|
if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
|
MLX4_GET(dev_cap->max_counters, outbox,
|
QUERY_DEV_CAP_MAX_COUNTERS_OFFSET);
|
|
MLX4_GET(field32, outbox,
|
QUERY_DEV_CAP_MAD_DEMUX_OFFSET);
|
if (field32 & (1 << 0))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_MAD_DEMUX;
|
|
MLX4_GET(dev_cap->dmfs_high_rate_qpn_base, outbox,
|
QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET);
|
dev_cap->dmfs_high_rate_qpn_base &= MGM_QPN_MASK;
|
MLX4_GET(dev_cap->dmfs_high_rate_qpn_range, outbox,
|
QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET);
|
dev_cap->dmfs_high_rate_qpn_range &= MGM_QPN_MASK;
|
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET);
|
dev_cap->rl_caps.num_rates = size;
|
if (dev_cap->rl_caps.num_rates) {
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_MAX_OFFSET);
|
dev_cap->rl_caps.max_val = size & 0xfff;
|
dev_cap->rl_caps.max_unit = size >> 14;
|
MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_MIN_OFFSET);
|
dev_cap->rl_caps.min_val = size & 0xfff;
|
dev_cap->rl_caps.min_unit = size >> 14;
|
}
|
|
MLX4_GET(dev_cap->health_buffer_addrs, outbox,
|
QUERY_DEV_CAP_HEALTH_BUFFER_ADDRESS_OFFSET);
|
|
MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
|
if (field32 & (1 << 16))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP;
|
if (field32 & (1 << 18))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB;
|
if (field32 & (1 << 19))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_LB_SRC_CHK;
|
if (field32 & (1 << 26))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL;
|
if (field32 & (1 << 20))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM;
|
if (field32 & (1 << 21))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_80_VFS;
|
if (field32 & (1 << 23))
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SW_CQ_INIT;
|
|
for (i = 1; i <= dev_cap->num_ports; i++) {
|
err = mlx4_QUERY_PORT(dev, i, dev_cap->port_cap + i);
|
if (err)
|
goto out;
|
}
|
|
/*
|
* Each UAR has 4 EQ doorbells; so if a UAR is reserved, then
|
* we can't use any EQs whose doorbell falls on that page,
|
* even if the EQ itself isn't reserved.
|
*/
|
if (dev_cap->num_sys_eqs == 0)
|
dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4,
|
dev_cap->reserved_eqs);
|
else
|
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SYS_EQS;
|
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
|
void mlx4_dev_cap_dump(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
|
{
|
if (dev_cap->bf_reg_size > 0)
|
mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n",
|
dev_cap->bf_reg_size, dev_cap->bf_regs_per_page);
|
else
|
mlx4_dbg(dev, "BlueFlame not available\n");
|
|
mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n",
|
dev_cap->bmme_flags, dev_cap->reserved_lkey);
|
mlx4_dbg(dev, "Max ICM size %lld MB\n",
|
(unsigned long long) dev_cap->max_icm_sz >> 20);
|
mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
|
dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz);
|
mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
|
dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz);
|
mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
|
dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz);
|
mlx4_dbg(dev, "Num sys EQs: %d, max EQs: %d, reserved EQs: %d, entry size: %d\n",
|
dev_cap->num_sys_eqs, dev_cap->max_eqs, dev_cap->reserved_eqs,
|
dev_cap->eqc_entry_sz);
|
mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n",
|
dev_cap->reserved_mrws, dev_cap->reserved_mtts);
|
mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n",
|
dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars);
|
mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
|
dev_cap->max_pds, dev_cap->reserved_mgms);
|
mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
|
dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
|
mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
|
dev_cap->local_ca_ack_delay, 128 << dev_cap->port_cap[1].ib_mtu,
|
dev_cap->port_cap[1].max_port_width);
|
mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
|
dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
|
mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
|
dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
|
mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
|
mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters);
|
mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz);
|
mlx4_dbg(dev, "DMFS high rate steer QPn base: %d\n",
|
dev_cap->dmfs_high_rate_qpn_base);
|
mlx4_dbg(dev, "DMFS high rate steer QPn range: %d\n",
|
dev_cap->dmfs_high_rate_qpn_range);
|
|
if (dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT) {
|
struct mlx4_rate_limit_caps *rl_caps = &dev_cap->rl_caps;
|
|
mlx4_dbg(dev, "QP Rate-Limit: #rates %d, unit/val max %d/%d, min %d/%d\n",
|
rl_caps->num_rates, rl_caps->max_unit, rl_caps->max_val,
|
rl_caps->min_unit, rl_caps->min_val);
|
}
|
|
dump_dev_cap_flags(dev, dev_cap->flags);
|
dump_dev_cap_flags2(dev, dev_cap->flags2);
|
}
|
|
int mlx4_QUERY_PORT(struct mlx4_dev *dev, int port, struct mlx4_port_cap *port_cap)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
u32 *outbox;
|
u8 field;
|
u32 field32;
|
int err;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
outbox = mailbox->buf;
|
|
if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
|
MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
|
if (err)
|
goto out;
|
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
|
port_cap->max_vl = field >> 4;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
|
port_cap->ib_mtu = field >> 4;
|
port_cap->max_port_width = field & 0xf;
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
|
port_cap->max_gids = 1 << (field & 0xf);
|
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
|
port_cap->max_pkeys = 1 << (field & 0xf);
|
} else {
|
#define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
|
#define QUERY_PORT_MTU_OFFSET 0x01
|
#define QUERY_PORT_ETH_MTU_OFFSET 0x02
|
#define QUERY_PORT_WIDTH_OFFSET 0x06
|
#define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
|
#define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a
|
#define QUERY_PORT_MAX_VL_OFFSET 0x0b
|
#define QUERY_PORT_MAC_OFFSET 0x10
|
#define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18
|
#define QUERY_PORT_WAVELENGTH_OFFSET 0x1c
|
#define QUERY_PORT_TRANS_CODE_OFFSET 0x20
|
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, MLX4_CMD_QUERY_PORT,
|
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
|
if (err)
|
goto out;
|
|
MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
|
port_cap->link_state = (field & 0x80) >> 7;
|
port_cap->supported_port_types = field & 3;
|
port_cap->suggested_type = (field >> 3) & 1;
|
port_cap->default_sense = (field >> 4) & 1;
|
port_cap->dmfs_optimized_state = (field >> 5) & 1;
|
MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
|
port_cap->ib_mtu = field & 0xf;
|
MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
|
port_cap->max_port_width = field & 0xf;
|
MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
|
port_cap->max_gids = 1 << (field >> 4);
|
port_cap->max_pkeys = 1 << (field & 0xf);
|
MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
|
port_cap->max_vl = field & 0xf;
|
port_cap->max_tc_eth = field >> 4;
|
MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
|
port_cap->log_max_macs = field & 0xf;
|
port_cap->log_max_vlans = field >> 4;
|
MLX4_GET(port_cap->eth_mtu, outbox, QUERY_PORT_ETH_MTU_OFFSET);
|
MLX4_GET(port_cap->def_mac, outbox, QUERY_PORT_MAC_OFFSET);
|
MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
|
port_cap->trans_type = field32 >> 24;
|
port_cap->vendor_oui = field32 & 0xffffff;
|
MLX4_GET(port_cap->wavelength, outbox, QUERY_PORT_WAVELENGTH_OFFSET);
|
MLX4_GET(port_cap->trans_code, outbox, QUERY_PORT_TRANS_CODE_OFFSET);
|
}
|
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
|
#define DEV_CAP_EXT_2_FLAG_PFC_COUNTERS (1 << 28)
|
#define DEV_CAP_EXT_2_FLAG_VLAN_CONTROL (1 << 26)
|
#define DEV_CAP_EXT_2_FLAG_80_VFS (1 << 21)
|
#define DEV_CAP_EXT_2_FLAG_FSM (1 << 20)
|
|
int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
u64 flags;
|
int err = 0;
|
u8 field;
|
u16 field16;
|
u32 bmme_flags, field32;
|
int real_port;
|
int slave_port;
|
int first_port;
|
struct mlx4_active_ports actv_ports;
|
|
err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
if (err)
|
return err;
|
|
disable_unsupported_roce_caps(outbox->buf);
|
/* add port mng change event capability and disable mw type 1
|
* unconditionally to slaves
|
*/
|
MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
|
flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV;
|
flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW;
|
actv_ports = mlx4_get_active_ports(dev, slave);
|
first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports);
|
for (slave_port = 0, real_port = first_port;
|
real_port < first_port +
|
bitmap_weight(actv_ports.ports, dev->caps.num_ports);
|
++real_port, ++slave_port) {
|
if (flags & (MLX4_DEV_CAP_FLAG_WOL_PORT1 << real_port))
|
flags |= MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port;
|
else
|
flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
|
}
|
for (; slave_port < dev->caps.num_ports; ++slave_port)
|
flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port);
|
|
/* Not exposing RSS IP fragments to guests */
|
flags &= ~MLX4_DEV_CAP_FLAG_RSS_IP_FRAG;
|
MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
|
|
MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VL_PORT_OFFSET);
|
field &= ~0x0F;
|
field |= bitmap_weight(actv_ports.ports, dev->caps.num_ports) & 0x0F;
|
MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VL_PORT_OFFSET);
|
|
/* For guests, disable timestamp */
|
MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
|
field &= 0x7f;
|
MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
|
|
/* For guests, disable vxlan tunneling and QoS support */
|
MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN);
|
field &= 0xd7;
|
MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN);
|
|
/* For guests, disable port BEACON */
|
MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_PORT_BEACON_OFFSET);
|
field &= 0x7f;
|
MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_PORT_BEACON_OFFSET);
|
|
/* For guests, report Blueflame disabled */
|
MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET);
|
field &= 0x7f;
|
MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET);
|
|
/* For guests, disable mw type 2 and port remap*/
|
MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
|
bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN;
|
bmme_flags &= ~MLX4_FLAG_PORT_REMAP;
|
MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
|
|
/* turn off device-managed steering capability if not enabled */
|
if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) {
|
MLX4_GET(field, outbox->buf,
|
QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
|
field &= 0x7f;
|
MLX4_PUT(outbox->buf, field,
|
QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
|
}
|
|
/* turn off ipoib managed steering for guests */
|
MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
|
field &= ~0x80;
|
MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET);
|
|
/* turn off host side virt features (VST, FSM, etc) for guests */
|
MLX4_GET(field32, outbox->buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
|
field32 &= ~(DEV_CAP_EXT_2_FLAG_VLAN_CONTROL | DEV_CAP_EXT_2_FLAG_80_VFS |
|
DEV_CAP_EXT_2_FLAG_FSM | DEV_CAP_EXT_2_FLAG_PFC_COUNTERS);
|
MLX4_PUT(outbox->buf, field32, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
|
|
/* turn off QCN for guests */
|
MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET);
|
field &= 0xfe;
|
MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET);
|
|
/* turn off QP max-rate limiting for guests */
|
field16 = 0;
|
MLX4_PUT(outbox->buf, field16, QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET);
|
|
/* turn off QoS per VF support for guests */
|
MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
|
field &= 0xef;
|
MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
|
|
/* turn off ignore FCS feature for guests */
|
MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
|
field &= 0xfb;
|
MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
|
|
return 0;
|
}
|
|
static void disable_unsupported_roce_caps(void *buf)
|
{
|
u32 flags;
|
|
MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
|
flags &= ~(1UL << 31);
|
MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
|
MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
|
flags &= ~(1UL << 24);
|
MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
|
MLX4_GET(flags, buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
|
flags &= ~(MLX4_FLAG_ROCE_V1_V2);
|
MLX4_PUT(buf, flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
|
}
|
|
int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
u64 def_mac;
|
u8 port_type;
|
u16 short_field;
|
int err;
|
int admin_link_state;
|
int port = mlx4_slave_convert_port(dev, slave,
|
vhcr->in_modifier & 0xFF);
|
|
#define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0
|
#define MLX4_PORT_LINK_UP_MASK 0x80
|
#define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c
|
#define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e
|
|
if (port < 0)
|
return -EINVAL;
|
|
/* Protect against untrusted guests: enforce that this is the
|
* QUERY_PORT general query.
|
*/
|
if (vhcr->op_modifier || vhcr->in_modifier & ~0xFF)
|
return -EINVAL;
|
|
vhcr->in_modifier = port;
|
|
err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
|
MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
|
MLX4_CMD_NATIVE);
|
|
if (!err && dev->caps.function != slave) {
|
def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac;
|
MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET);
|
|
/* get port type - currently only eth is enabled */
|
MLX4_GET(port_type, outbox->buf,
|
QUERY_PORT_SUPPORTED_TYPE_OFFSET);
|
|
/* No link sensing allowed */
|
port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK;
|
/* set port type to currently operating port type */
|
port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3);
|
|
admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state;
|
if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state)
|
port_type |= MLX4_PORT_LINK_UP_MASK;
|
else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state)
|
port_type &= ~MLX4_PORT_LINK_UP_MASK;
|
else if (IFLA_VF_LINK_STATE_AUTO == admin_link_state && mlx4_is_bonded(dev)) {
|
int other_port = (port == 1) ? 2 : 1;
|
struct mlx4_port_cap port_cap;
|
|
err = mlx4_QUERY_PORT(dev, other_port, &port_cap);
|
if (err)
|
goto out;
|
port_type |= (port_cap.link_state << 7);
|
}
|
|
MLX4_PUT(outbox->buf, port_type,
|
QUERY_PORT_SUPPORTED_TYPE_OFFSET);
|
|
if (dev->caps.port_type[vhcr->in_modifier] == MLX4_PORT_TYPE_ETH)
|
short_field = mlx4_get_slave_num_gids(dev, slave, port);
|
else
|
short_field = 1; /* slave max gids */
|
MLX4_PUT(outbox->buf, short_field,
|
QUERY_PORT_CUR_MAX_GID_OFFSET);
|
|
short_field = dev->caps.pkey_table_len[vhcr->in_modifier];
|
MLX4_PUT(outbox->buf, short_field,
|
QUERY_PORT_CUR_MAX_PKEY_OFFSET);
|
}
|
out:
|
return err;
|
}
|
|
int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
|
int *gid_tbl_len, int *pkey_tbl_len)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
u32 *outbox;
|
u16 field;
|
int err;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0,
|
MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
|
MLX4_CMD_WRAPPED);
|
if (err)
|
goto out;
|
|
outbox = mailbox->buf;
|
|
MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET);
|
*gid_tbl_len = field;
|
|
MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET);
|
*pkey_tbl_len = field;
|
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len);
|
|
int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
struct mlx4_icm_iter iter;
|
__be64 *pages;
|
int lg;
|
int nent = 0;
|
int i;
|
int err = 0;
|
int ts = 0, tc = 0;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
pages = mailbox->buf;
|
|
for (mlx4_icm_first(icm, &iter);
|
!mlx4_icm_last(&iter);
|
mlx4_icm_next(&iter)) {
|
/*
|
* We have to pass pages that are aligned to their
|
* size, so find the least significant 1 in the
|
* address or size and use that as our log2 size.
|
*/
|
lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;
|
if (lg < MLX4_ICM_PAGE_SHIFT) {
|
mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx)\n",
|
MLX4_ICM_PAGE_SIZE,
|
(unsigned long long) mlx4_icm_addr(&iter),
|
mlx4_icm_size(&iter));
|
err = -EINVAL;
|
goto out;
|
}
|
|
for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) {
|
if (virt != -1) {
|
pages[nent * 2] = cpu_to_be64(virt);
|
virt += 1ULL << lg;
|
}
|
|
pages[nent * 2 + 1] =
|
cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) |
|
(lg - MLX4_ICM_PAGE_SHIFT));
|
ts += 1 << (lg - 10);
|
++tc;
|
|
if (++nent == MLX4_MAILBOX_SIZE / 16) {
|
err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
|
MLX4_CMD_TIME_CLASS_B,
|
MLX4_CMD_NATIVE);
|
if (err)
|
goto out;
|
nent = 0;
|
}
|
}
|
}
|
|
if (nent)
|
err = mlx4_cmd(dev, mailbox->dma, nent, 0, op,
|
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
|
if (err)
|
goto out;
|
|
switch (op) {
|
case MLX4_CMD_MAP_FA:
|
mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW\n", tc, ts);
|
break;
|
case MLX4_CMD_MAP_ICM_AUX:
|
mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux\n", tc, ts);
|
break;
|
case MLX4_CMD_MAP_ICM:
|
mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM\n",
|
tc, ts, (unsigned long long) virt - (ts << 10));
|
break;
|
}
|
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
|
int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm)
|
{
|
return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1);
|
}
|
|
int mlx4_UNMAP_FA(struct mlx4_dev *dev)
|
{
|
return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA,
|
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
|
}
|
|
|
int mlx4_RUN_FW(struct mlx4_dev *dev)
|
{
|
return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
}
|
|
int mlx4_QUERY_FW(struct mlx4_dev *dev)
|
{
|
struct mlx4_fw *fw = &mlx4_priv(dev)->fw;
|
struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
|
struct mlx4_cmd_mailbox *mailbox;
|
u32 *outbox;
|
int err = 0;
|
u64 fw_ver;
|
u16 cmd_if_rev;
|
u8 lg;
|
|
#define QUERY_FW_OUT_SIZE 0x100
|
#define QUERY_FW_VER_OFFSET 0x00
|
#define QUERY_FW_PPF_ID 0x09
|
#define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
|
#define QUERY_FW_MAX_CMD_OFFSET 0x0f
|
#define QUERY_FW_ERR_START_OFFSET 0x30
|
#define QUERY_FW_ERR_SIZE_OFFSET 0x38
|
#define QUERY_FW_ERR_BAR_OFFSET 0x3c
|
|
#define QUERY_FW_SIZE_OFFSET 0x00
|
#define QUERY_FW_CLR_INT_BASE_OFFSET 0x20
|
#define QUERY_FW_CLR_INT_BAR_OFFSET 0x28
|
|
#define QUERY_FW_COMM_BASE_OFFSET 0x40
|
#define QUERY_FW_COMM_BAR_OFFSET 0x48
|
|
#define QUERY_FW_CLOCK_OFFSET 0x50
|
#define QUERY_FW_CLOCK_BAR 0x58
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
outbox = mailbox->buf;
|
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
if (err)
|
goto out;
|
|
MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
|
/*
|
* FW subminor version is at more significant bits than minor
|
* version, so swap here.
|
*/
|
dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
|
((fw_ver & 0xffff0000ull) >> 16) |
|
((fw_ver & 0x0000ffffull) << 16);
|
|
MLX4_GET(lg, outbox, QUERY_FW_PPF_ID);
|
dev->caps.function = lg;
|
|
if (mlx4_is_slave(dev))
|
goto out;
|
|
|
MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
|
if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
|
cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
|
mlx4_err(dev, "Installed FW has unsupported command interface revision %d\n",
|
cmd_if_rev);
|
mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
|
(int) (dev->caps.fw_ver >> 32),
|
(int) (dev->caps.fw_ver >> 16) & 0xffff,
|
(int) dev->caps.fw_ver & 0xffff);
|
mlx4_err(dev, "This driver version supports only revisions %d to %d\n",
|
MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
|
err = -ENODEV;
|
goto out;
|
}
|
|
if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
|
dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
|
|
MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
|
cmd->max_cmds = 1 << lg;
|
|
mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
|
(int) (dev->caps.fw_ver >> 32),
|
(int) (dev->caps.fw_ver >> 16) & 0xffff,
|
(int) dev->caps.fw_ver & 0xffff,
|
cmd_if_rev, cmd->max_cmds);
|
|
MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
|
MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
|
MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET);
|
fw->catas_bar = (fw->catas_bar >> 6) * 2;
|
|
mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n",
|
(unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar);
|
|
MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET);
|
MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET);
|
MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET);
|
fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2;
|
|
MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET);
|
MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET);
|
fw->comm_bar = (fw->comm_bar >> 6) * 2;
|
mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n",
|
fw->comm_bar, fw->comm_base);
|
mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2);
|
|
MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET);
|
MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR);
|
fw->clock_bar = (fw->clock_bar >> 6) * 2;
|
mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n",
|
fw->clock_bar, fw->clock_offset);
|
|
/*
|
* Round up number of system pages needed in case
|
* MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
|
*/
|
fw->fw_pages =
|
ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
|
(PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
|
|
mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n",
|
(unsigned long long) fw->clr_int_base, fw->clr_int_bar);
|
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
|
int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
u8 *outbuf;
|
int err;
|
|
outbuf = outbox->buf;
|
err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
if (err)
|
return err;
|
|
/* for slaves, set pci PPF ID to invalid and zero out everything
|
* else except FW version */
|
outbuf[0] = outbuf[1] = 0;
|
memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8);
|
outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID;
|
|
return 0;
|
}
|
|
static void get_board_id(void *vsd, char *board_id)
|
{
|
int i;
|
|
#define VSD_OFFSET_SIG1 0x00
|
#define VSD_OFFSET_SIG2 0xde
|
#define VSD_OFFSET_MLX_BOARD_ID 0xd0
|
#define VSD_OFFSET_TS_BOARD_ID 0x20
|
|
#define VSD_SIGNATURE_TOPSPIN 0x5ad
|
|
memset(board_id, 0, MLX4_BOARD_ID_LEN);
|
|
if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
|
be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
|
strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN);
|
} else {
|
/*
|
* The board ID is a string but the firmware byte
|
* swaps each 4-byte word before passing it back to
|
* us. Therefore we need to swab it before printing.
|
*/
|
u32 *bid_u32 = (u32 *)board_id;
|
|
for (i = 0; i < 4; ++i) {
|
u32 *addr;
|
u32 val;
|
|
addr = (u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4);
|
val = get_unaligned(addr);
|
val = swab32(val);
|
put_unaligned(val, &bid_u32[i]);
|
}
|
}
|
}
|
|
int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
u32 *outbox;
|
int err;
|
|
#define QUERY_ADAPTER_OUT_SIZE 0x100
|
#define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
|
#define QUERY_ADAPTER_VSD_OFFSET 0x20
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
outbox = mailbox->buf;
|
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
if (err)
|
goto out;
|
|
MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
|
|
get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
|
adapter->board_id);
|
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
|
int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
__be32 *inbox;
|
int err;
|
static const u8 a0_dmfs_hw_steering[] = {
|
[MLX4_STEERING_DMFS_A0_DEFAULT] = 0,
|
[MLX4_STEERING_DMFS_A0_DYNAMIC] = 1,
|
[MLX4_STEERING_DMFS_A0_STATIC] = 2,
|
[MLX4_STEERING_DMFS_A0_DISABLE] = 3
|
};
|
|
#define INIT_HCA_IN_SIZE 0x200
|
#define INIT_HCA_VERSION_OFFSET 0x000
|
#define INIT_HCA_VERSION 2
|
#define INIT_HCA_VXLAN_OFFSET 0x0c
|
#define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
|
#define INIT_HCA_FLAGS_OFFSET 0x014
|
#define INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET 0x018
|
#define INIT_HCA_QPC_OFFSET 0x020
|
#define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
|
#define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
|
#define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28)
|
#define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f)
|
#define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30)
|
#define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37)
|
#define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38)
|
#define INIT_HCA_EQE_CQE_STRIDE_OFFSET (INIT_HCA_QPC_OFFSET + 0x3b)
|
#define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40)
|
#define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50)
|
#define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60)
|
#define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67)
|
#define INIT_HCA_NUM_SYS_EQS_OFFSET (INIT_HCA_QPC_OFFSET + 0x6a)
|
#define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70)
|
#define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77)
|
#define INIT_HCA_MCAST_OFFSET 0x0c0
|
#define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
|
#define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x13)
|
#define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x17)
|
#define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
|
#define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
|
#define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6
|
#define INIT_HCA_DRIVER_VERSION_OFFSET 0x140
|
#define INIT_HCA_DRIVER_VERSION_SZ 0x40
|
#define INIT_HCA_FS_PARAM_OFFSET 0x1d0
|
#define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00)
|
#define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x13)
|
#define INIT_HCA_FS_A0_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x18)
|
#define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b)
|
#define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21)
|
#define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22)
|
#define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25)
|
#define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
|
#define INIT_HCA_TPT_OFFSET 0x0f0
|
#define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
|
#define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
|
#define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
|
#define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
|
#define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
|
#define INIT_HCA_UAR_OFFSET 0x120
|
#define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a)
|
#define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b)
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
inbox = mailbox->buf;
|
|
*((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION;
|
|
*((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) =
|
((ilog2(cache_line_size()) - 4) << 5) | (1 << 4);
|
|
#if defined(__LITTLE_ENDIAN)
|
*(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);
|
#elif defined(__BIG_ENDIAN)
|
*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1);
|
#else
|
#error Host endianness not defined
|
#endif
|
/* Check port for UD address vector: */
|
*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
|
|
/* Enable IPoIB checksumming if we can: */
|
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
|
*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
|
|
/* Enable QoS support if module parameter set */
|
if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG && enable_qos)
|
*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2);
|
|
/* enable counters */
|
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)
|
*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4);
|
|
/* Enable RSS spread to fragmented IP packets when supported */
|
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_RSS_IP_FRAG)
|
*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 13);
|
|
/* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
|
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) {
|
*(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29);
|
dev->caps.eqe_size = 64;
|
dev->caps.eqe_factor = 1;
|
} else {
|
dev->caps.eqe_size = 32;
|
dev->caps.eqe_factor = 0;
|
}
|
|
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) {
|
*(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30);
|
dev->caps.cqe_size = 64;
|
dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
|
} else {
|
dev->caps.cqe_size = 32;
|
}
|
|
/* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
|
if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) &&
|
(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) {
|
dev->caps.eqe_size = cache_line_size();
|
dev->caps.cqe_size = cache_line_size();
|
dev->caps.eqe_factor = 0;
|
MLX4_PUT(inbox, (u8)((ilog2(dev->caps.eqe_size) - 5) << 4 |
|
(ilog2(dev->caps.eqe_size) - 5)),
|
INIT_HCA_EQE_CQE_STRIDE_OFFSET);
|
|
/* User still need to know to support CQE > 32B */
|
dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
|
}
|
|
if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT)
|
*(inbox + INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET / 4) |= cpu_to_be32(1 << 31);
|
|
if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DRIVER_VERSION_TO_FW) {
|
u8 *dst = (u8 *)(inbox + INIT_HCA_DRIVER_VERSION_OFFSET / 4);
|
|
strncpy(dst, DRV_NAME_FOR_FW, INIT_HCA_DRIVER_VERSION_SZ - 1);
|
mlx4_dbg(dev, "Reporting Driver Version to FW: %s\n", dst);
|
}
|
|
/* QPC/EEC/CQC/EQC/RDMARC attributes */
|
|
MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
|
MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET);
|
MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET);
|
MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET);
|
MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET);
|
MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET);
|
MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET);
|
MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET);
|
MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET);
|
MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET);
|
MLX4_PUT(inbox, param->num_sys_eqs, INIT_HCA_NUM_SYS_EQS_OFFSET);
|
MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET);
|
MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET);
|
|
/* steering attributes */
|
if (dev->caps.steering_mode ==
|
MLX4_STEERING_MODE_DEVICE_MANAGED) {
|
*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |=
|
cpu_to_be32(1 <<
|
INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN);
|
|
MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET);
|
MLX4_PUT(inbox, param->log_mc_entry_sz,
|
INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
|
MLX4_PUT(inbox, param->log_mc_table_sz,
|
INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
|
/* Enable Ethernet flow steering
|
* with udp unicast and tcp unicast
|
*/
|
if (dev->caps.dmfs_high_steer_mode !=
|
MLX4_STEERING_DMFS_A0_STATIC)
|
MLX4_PUT(inbox,
|
(u8)(MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
|
INIT_HCA_FS_ETH_BITS_OFFSET);
|
MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
|
INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET);
|
/* Enable IPoIB flow steering
|
* with udp unicast and tcp unicast
|
*/
|
MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN),
|
INIT_HCA_FS_IB_BITS_OFFSET);
|
MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR,
|
INIT_HCA_FS_IB_NUM_ADDRS_OFFSET);
|
|
if (dev->caps.dmfs_high_steer_mode !=
|
MLX4_STEERING_DMFS_A0_NOT_SUPPORTED)
|
MLX4_PUT(inbox,
|
((u8)(a0_dmfs_hw_steering[dev->caps.dmfs_high_steer_mode]
|
<< 6)),
|
INIT_HCA_FS_A0_OFFSET);
|
} else {
|
MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
|
MLX4_PUT(inbox, param->log_mc_entry_sz,
|
INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
|
MLX4_PUT(inbox, param->log_mc_hash_sz,
|
INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
|
MLX4_PUT(inbox, param->log_mc_table_sz,
|
INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
|
if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0)
|
MLX4_PUT(inbox, (u8) (1 << 3),
|
INIT_HCA_UC_STEERING_OFFSET);
|
}
|
|
/* TPT attributes */
|
|
MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
|
MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET);
|
MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
|
MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
|
MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
|
|
/* UAR attributes */
|
|
MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET);
|
MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET);
|
|
/* set parser VXLAN attributes */
|
if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) {
|
u8 parser_params = 0;
|
MLX4_PUT(inbox, parser_params, INIT_HCA_VXLAN_OFFSET);
|
}
|
|
err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA,
|
MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
|
|
if (err)
|
mlx4_err(dev, "INIT_HCA returns %d\n", err);
|
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
|
int mlx4_QUERY_HCA(struct mlx4_dev *dev,
|
struct mlx4_init_hca_param *param)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
__be32 *outbox;
|
u64 qword_field;
|
u32 dword_field;
|
u16 word_field;
|
u8 byte_field;
|
int err;
|
static const u8 a0_dmfs_query_hw_steering[] = {
|
[0] = MLX4_STEERING_DMFS_A0_DEFAULT,
|
[1] = MLX4_STEERING_DMFS_A0_DYNAMIC,
|
[2] = MLX4_STEERING_DMFS_A0_STATIC,
|
[3] = MLX4_STEERING_DMFS_A0_DISABLE
|
};
|
|
#define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04
|
#define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
outbox = mailbox->buf;
|
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
|
MLX4_CMD_QUERY_HCA,
|
MLX4_CMD_TIME_CLASS_B,
|
!mlx4_is_slave(dev));
|
if (err)
|
goto out;
|
|
MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET);
|
MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
|
|
/* QPC/EEC/CQC/EQC/RDMARC attributes */
|
|
MLX4_GET(qword_field, outbox, INIT_HCA_QPC_BASE_OFFSET);
|
param->qpc_base = qword_field & ~((u64)0x1f);
|
MLX4_GET(byte_field, outbox, INIT_HCA_LOG_QP_OFFSET);
|
param->log_num_qps = byte_field & 0x1f;
|
MLX4_GET(qword_field, outbox, INIT_HCA_SRQC_BASE_OFFSET);
|
param->srqc_base = qword_field & ~((u64)0x1f);
|
MLX4_GET(byte_field, outbox, INIT_HCA_LOG_SRQ_OFFSET);
|
param->log_num_srqs = byte_field & 0x1f;
|
MLX4_GET(qword_field, outbox, INIT_HCA_CQC_BASE_OFFSET);
|
param->cqc_base = qword_field & ~((u64)0x1f);
|
MLX4_GET(byte_field, outbox, INIT_HCA_LOG_CQ_OFFSET);
|
param->log_num_cqs = byte_field & 0x1f;
|
MLX4_GET(qword_field, outbox, INIT_HCA_ALTC_BASE_OFFSET);
|
param->altc_base = qword_field;
|
MLX4_GET(qword_field, outbox, INIT_HCA_AUXC_BASE_OFFSET);
|
param->auxc_base = qword_field;
|
MLX4_GET(qword_field, outbox, INIT_HCA_EQC_BASE_OFFSET);
|
param->eqc_base = qword_field & ~((u64)0x1f);
|
MLX4_GET(byte_field, outbox, INIT_HCA_LOG_EQ_OFFSET);
|
param->log_num_eqs = byte_field & 0x1f;
|
MLX4_GET(word_field, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET);
|
param->num_sys_eqs = word_field & 0xfff;
|
MLX4_GET(qword_field, outbox, INIT_HCA_RDMARC_BASE_OFFSET);
|
param->rdmarc_base = qword_field & ~((u64)0x1f);
|
MLX4_GET(byte_field, outbox, INIT_HCA_LOG_RD_OFFSET);
|
param->log_rd_per_qp = byte_field & 0x7;
|
|
MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET);
|
if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) {
|
param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
|
} else {
|
MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET);
|
if (byte_field & 0x8)
|
param->steering_mode = MLX4_STEERING_MODE_B0;
|
else
|
param->steering_mode = MLX4_STEERING_MODE_A0;
|
}
|
|
if (dword_field & (1 << 13))
|
param->rss_ip_frags = 1;
|
|
/* steering attributes */
|
if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
|
MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET);
|
MLX4_GET(byte_field, outbox, INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET);
|
param->log_mc_entry_sz = byte_field & 0x1f;
|
MLX4_GET(byte_field, outbox, INIT_HCA_FS_LOG_TABLE_SZ_OFFSET);
|
param->log_mc_table_sz = byte_field & 0x1f;
|
MLX4_GET(byte_field, outbox, INIT_HCA_FS_A0_OFFSET);
|
param->dmfs_high_steer_mode =
|
a0_dmfs_query_hw_steering[(byte_field >> 6) & 3];
|
} else {
|
MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET);
|
MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
|
param->log_mc_entry_sz = byte_field & 0x1f;
|
MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
|
param->log_mc_hash_sz = byte_field & 0x1f;
|
MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
|
param->log_mc_table_sz = byte_field & 0x1f;
|
}
|
|
/* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */
|
MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS);
|
if (byte_field & 0x20) /* 64-bytes eqe enabled */
|
param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED;
|
if (byte_field & 0x40) /* 64-bytes cqe enabled */
|
param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED;
|
|
/* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */
|
MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_STRIDE_OFFSET);
|
if (byte_field) {
|
param->dev_cap_enabled |= MLX4_DEV_CAP_EQE_STRIDE_ENABLED;
|
param->dev_cap_enabled |= MLX4_DEV_CAP_CQE_STRIDE_ENABLED;
|
param->cqe_size = 1 << ((byte_field &
|
MLX4_CQE_SIZE_MASK_STRIDE) + 5);
|
param->eqe_size = 1 << (((byte_field &
|
MLX4_EQE_SIZE_MASK_STRIDE) >> 4) + 5);
|
}
|
|
/* TPT attributes */
|
|
MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
|
MLX4_GET(byte_field, outbox, INIT_HCA_TPT_MW_OFFSET);
|
param->mw_enabled = byte_field >> 7;
|
MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
|
param->log_mpt_sz = byte_field & 0x3f;
|
MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
|
MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
|
|
/* UAR attributes */
|
|
MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET);
|
MLX4_GET(byte_field, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET);
|
param->log_uar_sz = byte_field & 0xf;
|
|
/* phv_check enable */
|
MLX4_GET(byte_field, outbox, INIT_HCA_CACHELINE_SZ_OFFSET);
|
if (byte_field & 0x2)
|
param->phv_check_en = 1;
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
|
return err;
|
}
|
|
static int mlx4_hca_core_clock_update(struct mlx4_dev *dev)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
__be32 *outbox;
|
int err;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox)) {
|
mlx4_warn(dev, "hca_core_clock mailbox allocation failed\n");
|
return PTR_ERR(mailbox);
|
}
|
outbox = mailbox->buf;
|
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
|
MLX4_CMD_QUERY_HCA,
|
MLX4_CMD_TIME_CLASS_B,
|
!mlx4_is_slave(dev));
|
if (err) {
|
mlx4_warn(dev, "hca_core_clock update failed\n");
|
goto out;
|
}
|
|
MLX4_GET(dev->caps.hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET);
|
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
|
return err;
|
}
|
|
/* for IB-type ports only in SRIOV mode. Checks that both proxy QP0
|
* and real QP0 are active, so that the paravirtualized QP0 is ready
|
* to operate */
|
static int check_qp0_state(struct mlx4_dev *dev, int function, int port)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
/* irrelevant if not infiniband */
|
if (priv->mfunc.master.qp0_state[port].proxy_qp0_active &&
|
priv->mfunc.master.qp0_state[port].qp0_active)
|
return 1;
|
return 0;
|
}
|
|
int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
|
int err;
|
|
if (port < 0)
|
return -EINVAL;
|
|
if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port))
|
return 0;
|
|
if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
|
/* Enable port only if it was previously disabled */
|
if (!priv->mfunc.master.init_port_ref[port]) {
|
err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
if (err)
|
return err;
|
}
|
priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
|
} else {
|
if (slave == mlx4_master_func_num(dev)) {
|
if (check_qp0_state(dev, slave, port) &&
|
!priv->mfunc.master.qp0_state[port].port_active) {
|
err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
if (err)
|
return err;
|
priv->mfunc.master.qp0_state[port].port_active = 1;
|
priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
|
}
|
} else
|
priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port);
|
}
|
++priv->mfunc.master.init_port_ref[port];
|
return 0;
|
}
|
|
int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
u32 *inbox;
|
int err;
|
u32 flags;
|
u16 field;
|
|
if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
|
#define INIT_PORT_IN_SIZE 256
|
#define INIT_PORT_FLAGS_OFFSET 0x00
|
#define INIT_PORT_FLAG_SIG (1 << 18)
|
#define INIT_PORT_FLAG_NG (1 << 17)
|
#define INIT_PORT_FLAG_G0 (1 << 16)
|
#define INIT_PORT_VL_SHIFT 4
|
#define INIT_PORT_PORT_WIDTH_SHIFT 8
|
#define INIT_PORT_MTU_OFFSET 0x04
|
#define INIT_PORT_MAX_GID_OFFSET 0x06
|
#define INIT_PORT_MAX_PKEY_OFFSET 0x0a
|
#define INIT_PORT_GUID0_OFFSET 0x10
|
#define INIT_PORT_NODE_GUID_OFFSET 0x18
|
#define INIT_PORT_SI_GUID_OFFSET 0x20
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
inbox = mailbox->buf;
|
|
flags = 0;
|
flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
|
flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
|
MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
|
|
field = 128 << dev->caps.ib_mtu_cap[port];
|
MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
|
field = dev->caps.gid_table_len[port];
|
MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
|
field = dev->caps.pkey_table_len[port];
|
MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
|
|
err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
} else
|
err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
|
|
if (!err)
|
mlx4_hca_core_clock_update(dev);
|
|
return err;
|
}
|
EXPORT_SYMBOL_GPL(mlx4_INIT_PORT);
|
|
int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier);
|
int err;
|
|
if (port < 0)
|
return -EINVAL;
|
|
if (!(priv->mfunc.master.slave_state[slave].init_port_mask &
|
(1 << port)))
|
return 0;
|
|
if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) {
|
if (priv->mfunc.master.init_port_ref[port] == 1) {
|
err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
if (err)
|
return err;
|
}
|
priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
|
} else {
|
/* infiniband port */
|
if (slave == mlx4_master_func_num(dev)) {
|
if (!priv->mfunc.master.qp0_state[port].qp0_active &&
|
priv->mfunc.master.qp0_state[port].port_active) {
|
err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
if (err)
|
return err;
|
priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
|
priv->mfunc.master.qp0_state[port].port_active = 0;
|
}
|
} else
|
priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port);
|
}
|
--priv->mfunc.master.init_port_ref[port];
|
return 0;
|
}
|
|
int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port)
|
{
|
return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
|
}
|
EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT);
|
|
int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic)
|
{
|
return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA,
|
MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
|
}
|
|
struct mlx4_config_dev {
|
__be32 update_flags;
|
__be32 rsvd1[3];
|
__be16 vxlan_udp_dport;
|
__be16 rsvd2;
|
__be16 roce_v2_entropy;
|
__be16 roce_v2_udp_dport;
|
__be32 roce_flags;
|
__be32 rsvd4[25];
|
__be16 rsvd5;
|
u8 rsvd6;
|
u8 rx_checksum_val;
|
};
|
|
#define MLX4_VXLAN_UDP_DPORT (1 << 0)
|
#define MLX4_ROCE_V2_UDP_DPORT BIT(3)
|
#define MLX4_DISABLE_RX_PORT BIT(18)
|
|
static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
|
{
|
int err;
|
struct mlx4_cmd_mailbox *mailbox;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
|
memcpy(mailbox->buf, config_dev, sizeof(*config_dev));
|
|
err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_CONFIG_DEV,
|
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
|
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
|
static int mlx4_CONFIG_DEV_get(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev)
|
{
|
int err;
|
struct mlx4_cmd_mailbox *mailbox;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 1, MLX4_CMD_CONFIG_DEV,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
|
if (!err)
|
memcpy(config_dev, mailbox->buf, sizeof(*config_dev));
|
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
|
/* Conversion between the HW values and the actual functionality.
|
* The value represented by the array index,
|
* and the functionality determined by the flags.
|
*/
|
static const u8 config_dev_csum_flags[] = {
|
[0] = 0,
|
[1] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP,
|
[2] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP |
|
MLX4_RX_CSUM_MODE_L4,
|
[3] = MLX4_RX_CSUM_MODE_L4 |
|
MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP |
|
MLX4_RX_CSUM_MODE_MULTI_VLAN
|
};
|
|
int mlx4_config_dev_retrieval(struct mlx4_dev *dev,
|
struct mlx4_config_dev_params *params)
|
{
|
struct mlx4_config_dev config_dev = {0};
|
int err;
|
u8 csum_mask;
|
|
#define CONFIG_DEV_RX_CSUM_MODE_MASK 0x7
|
#define CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET 0
|
#define CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET 4
|
|
if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CONFIG_DEV))
|
return -EOPNOTSUPP;
|
|
err = mlx4_CONFIG_DEV_get(dev, &config_dev);
|
if (err)
|
return err;
|
|
csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET) &
|
CONFIG_DEV_RX_CSUM_MODE_MASK;
|
|
if (csum_mask >= ARRAY_SIZE(config_dev_csum_flags))
|
return -EINVAL;
|
params->rx_csum_flags_port_1 = config_dev_csum_flags[csum_mask];
|
|
csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET) &
|
CONFIG_DEV_RX_CSUM_MODE_MASK;
|
|
if (csum_mask >= ARRAY_SIZE(config_dev_csum_flags))
|
return -EINVAL;
|
params->rx_csum_flags_port_2 = config_dev_csum_flags[csum_mask];
|
|
params->vxlan_udp_dport = be16_to_cpu(config_dev.vxlan_udp_dport);
|
|
return 0;
|
}
|
EXPORT_SYMBOL_GPL(mlx4_config_dev_retrieval);
|
|
int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port)
|
{
|
struct mlx4_config_dev config_dev;
|
|
memset(&config_dev, 0, sizeof(config_dev));
|
config_dev.update_flags = cpu_to_be32(MLX4_VXLAN_UDP_DPORT);
|
config_dev.vxlan_udp_dport = udp_port;
|
|
return mlx4_CONFIG_DEV_set(dev, &config_dev);
|
}
|
EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port);
|
|
#define CONFIG_DISABLE_RX_PORT BIT(15)
|
int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis)
|
{
|
struct mlx4_config_dev config_dev;
|
|
memset(&config_dev, 0, sizeof(config_dev));
|
config_dev.update_flags = cpu_to_be32(MLX4_DISABLE_RX_PORT);
|
if (dis)
|
config_dev.roce_flags =
|
cpu_to_be32(CONFIG_DISABLE_RX_PORT);
|
|
return mlx4_CONFIG_DEV_set(dev, &config_dev);
|
}
|
|
int mlx4_config_roce_v2_port(struct mlx4_dev *dev, u16 udp_port)
|
{
|
struct mlx4_config_dev config_dev;
|
|
memset(&config_dev, 0, sizeof(config_dev));
|
config_dev.update_flags = cpu_to_be32(MLX4_ROCE_V2_UDP_DPORT);
|
config_dev.roce_v2_udp_dport = cpu_to_be16(udp_port);
|
|
return mlx4_CONFIG_DEV_set(dev, &config_dev);
|
}
|
EXPORT_SYMBOL_GPL(mlx4_config_roce_v2_port);
|
|
int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
struct {
|
__be32 v_port1;
|
__be32 v_port2;
|
} *v2p;
|
int err;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return -ENOMEM;
|
|
v2p = mailbox->buf;
|
v2p->v_port1 = cpu_to_be32(port1);
|
v2p->v_port2 = cpu_to_be32(port2);
|
|
err = mlx4_cmd(dev, mailbox->dma, 0,
|
MLX4_SET_PORT_VIRT2PHY, MLX4_CMD_VIRT_PORT_MAP,
|
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
|
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
|
|
int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages)
|
{
|
int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0,
|
MLX4_CMD_SET_ICM_SIZE,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
if (ret)
|
return ret;
|
|
/*
|
* Round up number of system pages needed in case
|
* MLX4_ICM_PAGE_SIZE < PAGE_SIZE.
|
*/
|
*aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >>
|
(PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT);
|
|
return 0;
|
}
|
|
int mlx4_NOP(struct mlx4_dev *dev)
|
{
|
/* Input modifier of 0x1f means "finish as soon as possible." */
|
return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
}
|
|
int mlx4_query_diag_counters(struct mlx4_dev *dev, u8 op_modifier,
|
const u32 offset[],
|
u32 value[], size_t array_len, u8 port)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
u32 *outbox;
|
size_t i;
|
int ret;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
|
outbox = mailbox->buf;
|
|
ret = mlx4_cmd_box(dev, 0, mailbox->dma, port, op_modifier,
|
MLX4_CMD_DIAG_RPRT, MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (ret)
|
goto out;
|
|
for (i = 0; i < array_len; i++) {
|
if (offset[i] > MLX4_MAILBOX_SIZE) {
|
ret = -EINVAL;
|
goto out;
|
}
|
|
MLX4_GET(value[i], outbox, offset[i]);
|
}
|
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return ret;
|
}
|
EXPORT_SYMBOL(mlx4_query_diag_counters);
|
|
int mlx4_get_phys_port_id(struct mlx4_dev *dev)
|
{
|
u8 port;
|
u32 *outbox;
|
struct mlx4_cmd_mailbox *mailbox;
|
u32 in_mod;
|
u32 guid_hi, guid_lo;
|
int err, ret = 0;
|
#define MOD_STAT_CFG_PORT_OFFSET 8
|
#define MOD_STAT_CFG_GUID_H 0X14
|
#define MOD_STAT_CFG_GUID_L 0X1c
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
outbox = mailbox->buf;
|
|
for (port = 1; port <= dev->caps.num_ports; port++) {
|
in_mod = port << MOD_STAT_CFG_PORT_OFFSET;
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2,
|
MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (err) {
|
mlx4_err(dev, "Fail to get port %d uplink guid\n",
|
port);
|
ret = err;
|
} else {
|
MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H);
|
MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L);
|
dev->caps.phys_port_id[port] = (u64)guid_lo |
|
(u64)guid_hi << 32;
|
}
|
}
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return ret;
|
}
|
|
#define MLX4_WOL_SETUP_MODE (5 << 28)
|
int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
|
{
|
u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
|
|
return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
|
MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
}
|
EXPORT_SYMBOL_GPL(mlx4_wol_read);
|
|
int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
|
{
|
u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
|
|
return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
|
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
|
}
|
EXPORT_SYMBOL_GPL(mlx4_wol_write);
|
|
enum {
|
ADD_TO_MCG = 0x26,
|
};
|
|
|
void mlx4_opreq_action(struct work_struct *work)
|
{
|
struct mlx4_priv *priv = container_of(work, struct mlx4_priv,
|
opreq_task);
|
struct mlx4_dev *dev = &priv->dev;
|
int num_tasks = atomic_read(&priv->opreq_count);
|
struct mlx4_cmd_mailbox *mailbox;
|
struct mlx4_mgm *mgm;
|
u32 *outbox;
|
u32 modifier;
|
u16 token;
|
u16 type;
|
int err;
|
u32 num_qps;
|
struct mlx4_qp qp;
|
int i;
|
u8 rem_mcg;
|
u8 prot;
|
|
#define GET_OP_REQ_MODIFIER_OFFSET 0x08
|
#define GET_OP_REQ_TOKEN_OFFSET 0x14
|
#define GET_OP_REQ_TYPE_OFFSET 0x1a
|
#define GET_OP_REQ_DATA_OFFSET 0x20
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox)) {
|
mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n");
|
return;
|
}
|
outbox = mailbox->buf;
|
|
while (num_tasks) {
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0,
|
MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (err) {
|
mlx4_err(dev, "Failed to retrieve required operation: %d\n",
|
err);
|
goto out;
|
}
|
MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET);
|
MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET);
|
MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET);
|
type &= 0xfff;
|
|
switch (type) {
|
case ADD_TO_MCG:
|
if (dev->caps.steering_mode ==
|
MLX4_STEERING_MODE_DEVICE_MANAGED) {
|
mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n");
|
err = EPERM;
|
break;
|
}
|
mgm = (struct mlx4_mgm *)((u8 *)(outbox) +
|
GET_OP_REQ_DATA_OFFSET);
|
num_qps = be32_to_cpu(mgm->members_count) &
|
MGM_QPN_MASK;
|
rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1;
|
prot = ((u8 *)(&mgm->members_count))[0] >> 6;
|
|
for (i = 0; i < num_qps; i++) {
|
qp.qpn = be32_to_cpu(mgm->qp[i]);
|
if (rem_mcg)
|
err = mlx4_multicast_detach(dev, &qp,
|
mgm->gid,
|
prot, 0);
|
else
|
err = mlx4_multicast_attach(dev, &qp,
|
mgm->gid,
|
mgm->gid[5]
|
, 0, prot,
|
NULL);
|
if (err)
|
break;
|
}
|
break;
|
default:
|
mlx4_warn(dev, "Bad type for required operation\n");
|
err = EINVAL;
|
break;
|
}
|
err = mlx4_cmd(dev, 0, ((u32) err |
|
(__force u32)cpu_to_be32(token) << 16),
|
1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A,
|
MLX4_CMD_NATIVE);
|
if (err) {
|
mlx4_err(dev, "Failed to acknowledge required request: %d\n",
|
err);
|
goto out;
|
}
|
memset(outbox, 0, 0xffc);
|
num_tasks = atomic_dec_return(&priv->opreq_count);
|
}
|
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
}
|
|
static int mlx4_check_smp_firewall_active(struct mlx4_dev *dev,
|
struct mlx4_cmd_mailbox *mailbox)
|
{
|
#define MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET 0x10
|
#define MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET 0x20
|
#define MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET 0x40
|
#define MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET 0x70
|
|
u32 set_attr_mask, getresp_attr_mask;
|
u32 trap_attr_mask, traprepress_attr_mask;
|
|
MLX4_GET(set_attr_mask, mailbox->buf,
|
MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET);
|
mlx4_dbg(dev, "SMP firewall set_attribute_mask = 0x%x\n",
|
set_attr_mask);
|
|
MLX4_GET(getresp_attr_mask, mailbox->buf,
|
MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET);
|
mlx4_dbg(dev, "SMP firewall getresp_attribute_mask = 0x%x\n",
|
getresp_attr_mask);
|
|
MLX4_GET(trap_attr_mask, mailbox->buf,
|
MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET);
|
mlx4_dbg(dev, "SMP firewall trap_attribute_mask = 0x%x\n",
|
trap_attr_mask);
|
|
MLX4_GET(traprepress_attr_mask, mailbox->buf,
|
MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET);
|
mlx4_dbg(dev, "SMP firewall traprepress_attribute_mask = 0x%x\n",
|
traprepress_attr_mask);
|
|
if (set_attr_mask && getresp_attr_mask && trap_attr_mask &&
|
traprepress_attr_mask)
|
return 1;
|
|
return 0;
|
}
|
|
int mlx4_config_mad_demux(struct mlx4_dev *dev)
|
{
|
struct mlx4_cmd_mailbox *mailbox;
|
int err;
|
|
/* Check if mad_demux is supported */
|
if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_MAD_DEMUX))
|
return 0;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox)) {
|
mlx4_warn(dev, "Failed to allocate mailbox for cmd MAD_DEMUX");
|
return -ENOMEM;
|
}
|
|
/* Query mad_demux to find out which MADs are handled by internal sma */
|
err = mlx4_cmd_box(dev, 0, mailbox->dma, 0x01 /* subn mgmt class */,
|
MLX4_CMD_MAD_DEMUX_QUERY_RESTR, MLX4_CMD_MAD_DEMUX,
|
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
|
if (err) {
|
mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: query restrictions failed (%d)\n",
|
err);
|
goto out;
|
}
|
|
if (mlx4_check_smp_firewall_active(dev, mailbox))
|
dev->flags |= MLX4_FLAG_SECURE_HOST;
|
|
/* Config mad_demux to handle all MADs returned by the query above */
|
err = mlx4_cmd(dev, mailbox->dma, 0x01 /* subn mgmt class */,
|
MLX4_CMD_MAD_DEMUX_CONFIG, MLX4_CMD_MAD_DEMUX,
|
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
|
if (err) {
|
mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: configure failed (%d)\n", err);
|
goto out;
|
}
|
|
if (dev->flags & MLX4_FLAG_SECURE_HOST)
|
mlx4_warn(dev, "HCA operating in secure-host mode. SMP firewall activated.\n");
|
out:
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
|
/* Access Reg commands */
|
enum mlx4_access_reg_masks {
|
MLX4_ACCESS_REG_STATUS_MASK = 0x7f,
|
MLX4_ACCESS_REG_METHOD_MASK = 0x7f,
|
MLX4_ACCESS_REG_LEN_MASK = 0x7ff
|
};
|
|
struct mlx4_access_reg {
|
__be16 constant1;
|
u8 status;
|
u8 resrvd1;
|
__be16 reg_id;
|
u8 method;
|
u8 constant2;
|
__be32 resrvd2[2];
|
__be16 len_const;
|
__be16 resrvd3;
|
#define MLX4_ACCESS_REG_HEADER_SIZE (20)
|
u8 reg_data[MLX4_MAILBOX_SIZE-MLX4_ACCESS_REG_HEADER_SIZE];
|
} __attribute__((__packed__));
|
|
/**
|
* mlx4_ACCESS_REG - Generic access reg command.
|
* @dev: mlx4_dev.
|
* @reg_id: register ID to access.
|
* @method: Access method Read/Write.
|
* @reg_len: register length to Read/Write in bytes.
|
* @reg_data: reg_data pointer to Read/Write From/To.
|
*
|
* Access ConnectX registers FW command.
|
* Returns 0 on success and copies outbox mlx4_access_reg data
|
* field into reg_data or a negative error code.
|
*/
|
static int mlx4_ACCESS_REG(struct mlx4_dev *dev, u16 reg_id,
|
enum mlx4_access_reg_method method,
|
u16 reg_len, void *reg_data)
|
{
|
struct mlx4_cmd_mailbox *inbox, *outbox;
|
struct mlx4_access_reg *inbuf, *outbuf;
|
int err;
|
|
inbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(inbox))
|
return PTR_ERR(inbox);
|
|
outbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(outbox)) {
|
mlx4_free_cmd_mailbox(dev, inbox);
|
return PTR_ERR(outbox);
|
}
|
|
inbuf = inbox->buf;
|
outbuf = outbox->buf;
|
|
inbuf->constant1 = cpu_to_be16(0x1<<11 | 0x4);
|
inbuf->constant2 = 0x1;
|
inbuf->reg_id = cpu_to_be16(reg_id);
|
inbuf->method = method & MLX4_ACCESS_REG_METHOD_MASK;
|
|
reg_len = min(reg_len, (u16)(sizeof(inbuf->reg_data)));
|
inbuf->len_const =
|
cpu_to_be16(((reg_len/4 + 1) & MLX4_ACCESS_REG_LEN_MASK) |
|
((0x3) << 12));
|
|
memcpy(inbuf->reg_data, reg_data, reg_len);
|
err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, 0, 0,
|
MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C,
|
MLX4_CMD_WRAPPED);
|
if (err)
|
goto out;
|
|
if (outbuf->status & MLX4_ACCESS_REG_STATUS_MASK) {
|
err = outbuf->status & MLX4_ACCESS_REG_STATUS_MASK;
|
mlx4_err(dev,
|
"MLX4_CMD_ACCESS_REG(%x) returned REG status (%x)\n",
|
reg_id, err);
|
goto out;
|
}
|
|
memcpy(reg_data, outbuf->reg_data, reg_len);
|
out:
|
mlx4_free_cmd_mailbox(dev, inbox);
|
mlx4_free_cmd_mailbox(dev, outbox);
|
return err;
|
}
|
|
/* ConnectX registers IDs */
|
enum mlx4_reg_id {
|
MLX4_REG_ID_PTYS = 0x5004,
|
};
|
|
/**
|
* mlx4_ACCESS_PTYS_REG - Access PTYs (Port Type and Speed)
|
* register
|
* @dev: mlx4_dev.
|
* @method: Access method Read/Write.
|
* @ptys_reg: PTYS register data pointer.
|
*
|
* Access ConnectX PTYS register, to Read/Write Port Type/Speed
|
* configuration
|
* Returns 0 on success or a negative error code.
|
*/
|
int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
|
enum mlx4_access_reg_method method,
|
struct mlx4_ptys_reg *ptys_reg)
|
{
|
return mlx4_ACCESS_REG(dev, MLX4_REG_ID_PTYS,
|
method, sizeof(*ptys_reg), ptys_reg);
|
}
|
EXPORT_SYMBOL_GPL(mlx4_ACCESS_PTYS_REG);
|
|
int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
|
struct mlx4_vhcr *vhcr,
|
struct mlx4_cmd_mailbox *inbox,
|
struct mlx4_cmd_mailbox *outbox,
|
struct mlx4_cmd_info *cmd)
|
{
|
struct mlx4_access_reg *inbuf = inbox->buf;
|
u8 method = inbuf->method & MLX4_ACCESS_REG_METHOD_MASK;
|
u16 reg_id = be16_to_cpu(inbuf->reg_id);
|
|
if (slave != mlx4_master_func_num(dev) &&
|
method == MLX4_ACCESS_REG_WRITE)
|
return -EPERM;
|
|
if (reg_id == MLX4_REG_ID_PTYS) {
|
struct mlx4_ptys_reg *ptys_reg =
|
(struct mlx4_ptys_reg *)inbuf->reg_data;
|
|
ptys_reg->local_port =
|
mlx4_slave_convert_port(dev, slave,
|
ptys_reg->local_port);
|
}
|
|
return mlx4_cmd_box(dev, inbox->dma, outbox->dma, vhcr->in_modifier,
|
0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C,
|
MLX4_CMD_NATIVE);
|
}
|
|
static int mlx4_SET_PORT_phv_bit(struct mlx4_dev *dev, u8 port, u8 phv_bit)
|
{
|
#define SET_PORT_GEN_PHV_VALID 0x10
|
#define SET_PORT_GEN_PHV_EN 0x80
|
|
struct mlx4_cmd_mailbox *mailbox;
|
struct mlx4_set_port_general_context *context;
|
u32 in_mod;
|
int err;
|
|
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
if (IS_ERR(mailbox))
|
return PTR_ERR(mailbox);
|
context = mailbox->buf;
|
|
context->flags2 |= SET_PORT_GEN_PHV_VALID;
|
if (phv_bit)
|
context->phv_en |= SET_PORT_GEN_PHV_EN;
|
|
in_mod = MLX4_SET_PORT_GENERAL << 8 | port;
|
err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE,
|
MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
|
MLX4_CMD_NATIVE);
|
|
mlx4_free_cmd_mailbox(dev, mailbox);
|
return err;
|
}
|
|
int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv)
|
{
|
int err;
|
struct mlx4_func_cap func_cap;
|
|
memset(&func_cap, 0, sizeof(func_cap));
|
err = mlx4_QUERY_FUNC_CAP(dev, port, &func_cap);
|
if (!err)
|
*phv = func_cap.flags0 & QUERY_FUNC_CAP_PHV_BIT;
|
return err;
|
}
|
EXPORT_SYMBOL(get_phv_bit);
|
|
int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val)
|
{
|
int ret;
|
|
if (mlx4_is_slave(dev))
|
return -EPERM;
|
|
if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN &&
|
!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) {
|
ret = mlx4_SET_PORT_phv_bit(dev, port, new_val);
|
if (!ret)
|
dev->caps.phv_bit[port] = new_val;
|
return ret;
|
}
|
|
return -EOPNOTSUPP;
|
}
|
EXPORT_SYMBOL(set_phv_bit);
|
|
int mlx4_get_is_vlan_offload_disabled(struct mlx4_dev *dev, u8 port,
|
bool *vlan_offload_disabled)
|
{
|
struct mlx4_func_cap func_cap;
|
int err;
|
|
memset(&func_cap, 0, sizeof(func_cap));
|
err = mlx4_QUERY_FUNC_CAP(dev, port, &func_cap);
|
if (!err)
|
*vlan_offload_disabled =
|
!!(func_cap.flags0 &
|
QUERY_FUNC_CAP_VLAN_OFFLOAD_DISABLE);
|
return err;
|
}
|
EXPORT_SYMBOL(mlx4_get_is_vlan_offload_disabled);
|
|
void mlx4_replace_zero_macs(struct mlx4_dev *dev)
|
{
|
int i;
|
u8 mac_addr[ETH_ALEN];
|
|
dev->port_random_macs = 0;
|
for (i = 1; i <= dev->caps.num_ports; ++i)
|
if (!dev->caps.def_mac[i] &&
|
dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) {
|
eth_random_addr(mac_addr);
|
dev->port_random_macs |= 1 << i;
|
dev->caps.def_mac[i] = mlx4_mac_to_u64(mac_addr);
|
}
|
}
|
EXPORT_SYMBOL_GPL(mlx4_replace_zero_macs);
|
